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Message-Id: <1524452624-27589-21-git-send-email-paulmck@linux.vnet.ibm.com> Date: Sun, 22 Apr 2018 20:03:44 -0700 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com, josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com, oleg@...hat.com, joel.opensrc@...il.com, torvalds@...ux-foundation.org, npiggin@...il.com, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Subject: [PATCH tip/core/rcu 21/21] rcu: Update list of rcu_future_grace_period() trace events Reworking grace-period initiation and funnel locking added new rcu_future_grace_period() trace events, so this commit updates the rcu_future_grace_period() trace event's header comment accordingly. Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> --- include/trace/events/rcu.h | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index d8c33298c153..5936aac357ab 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -84,20 +84,21 @@ TRACE_EVENT(rcu_grace_period, ); /* - * Tracepoint for future grace-period events, including those for no-callbacks - * CPUs. The caller should pull the data from the rcu_node structure, - * other than rcuname, which comes from the rcu_state structure, and event, - * which is one of the following: + * Tracepoint for future grace-period events. The caller should pull + * the data from the rcu_node structure, other than rcuname, which comes + * from the rcu_state structure, and event, which is one of the following: * - * "Startleaf": Request a nocb grace period based on leaf-node data. + * "Startleaf": Request a grace period based on leaf-node data. + * "Prestarted": Someone beat us to the request * "Startedleaf": Leaf-node start proved sufficient. * "Startedleafroot": Leaf-node start proved sufficient after checking root. * "Startedroot": Requested a nocb grace period based on root-node data. + * "NoGPkthread": The RCU grace-period kthread has not yet started. * "StartWait": Start waiting for the requested grace period. * "ResumeWait": Resume waiting after signal. * "EndWait": Complete wait. * "Cleanup": Clean up rcu_node structure after previous GP. - * "CleanupMore": Clean up, and another no-CB GP is needed. + * "CleanupMore": Clean up, and another GP is needed. */ TRACE_EVENT(rcu_future_grace_period, -- 2.5.2
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